Shingle



FIG. 1 is a front elevation view of my design.

FIG. 2 is a front elevation of my design.

FIG. 3 is a rear elevation of my design.

FIG. 4 is a perspective view of my design.

FIG. 5 is a second embodiment of my design; and,

FIG. 6 is a third embodiment of my design.

The broken lines are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a shingle, as shown and described. 